Nine Inch Snail
Nine Inch Snails are of little threat. They usually attack the hero from the left side. If the hero is strong at the time of battle, the Nine Inch Snail is not to anything to worry about, but if the hero is low in strength try giving them a boost. Over all the Snail is not a danger. Just try to keep your left side defended.
A side note: The Nine Inch Snail was originally known as the 22.68cm Snail by its discoverer who obviously had a devotion to the use of the metric system. It was from only after much persuasion from his colleagues, that he eventually agreed that the name "Nine Inch Snail" had a much better ring to it.